Block Diagrams; Overall - Canon PowerShot G1 Service Manual

3

BLOCK DIAGRAMS

3-1 OVERALL

DATA COMMUNICATION
ANALOG IMAGE SIGNAL
ANALOG AUDIO SIGNAL
TH1
ACC. SHOE BUTTON PCB ASS'Y
FPC
FLASH
Control IC
ACC. SHOE
KEY
BUTTON BATTERY
TOP MODULE
VDD2_5V
UNIT
OLC
DIAL/
KEY
FINDER LED
AF-AUXILIARY
LIGHT EMITTER
AF LED FPC
FLASH UNIT
HV/OSC/XE_DRIVE
SPEAKER
UNIT
JACK PCB
ASS'Y
VID FPC
AV OUT
RS232C/USB CN8
MAIN PCB ASS'Y
BAT OPEN CF OPEN
VDD2_15V
MIC
VDD2_–75V
REMOTE
CPU
BATTERY
LOAD TEST
RTC
5V-VBAT VDD0
RESET
RS232C
USB
DC/DC CONVERTER PCB ASS'Y
a
b
c
OPTICAL UNIT
CCD FPC
CCD
T.G.
SENSOR
OPT FPC
Sens
Vcc
M Zoom MOTOR
MOTOR
M
VBAT Focus MOTOR
DRIVER
M
Iris MOTOR
IG FPC
VDD0
TH100
VDD0
DAC
a
FLASH MEMORY SD RAM
AV Amp. b
c
VDD2_15V
VDD2_–7.5V
MIC IN
VDD2_5.5V
VDD2_5V +5V REG
VBAT
5V-VBAT +5V REG
VBAT
VBAT
CHARGE
BATTERY BOX
UNIT CONTROL
DC IN
CN1
(9.5V)
LCD ROTATION DETECT SW
LCD PCB ASS'Y
VIDEO
L.P.F.
ADC
Digital Signal
Processing IC
VDD
OSC
REG
VDD0
VDD2_5.5V
VDD2_–15V
DC/DC VDD2_–7.5V
CONVERTER VDD5_21V
VDD3_15V
VDD3_12V
VDD3_5V
LCD LCD
CONTROL
PANEL
BACK LIGHT
UNIT
CF UNIT
CF CARD
E17